A large amount of exercise
If the amount of exercise increases, the oxygen and nutrients and metabolites required by the human body will increase accordingly. This depends on the heart to strengthen the contraction force and the frequency of contraction, and increase the output of the heart to transport the blood. When the amount of exercise is large, the cardiac output cannot satisfy the oxygen demand of the body and the body is in anoxic anaerobic metabolic state. Anaerobic metabolic exercise is not the use of fat as the main energy release, but mainly by the decomposition of the human body stored sugar as energy release. Because in the oxygen-deficient environment, fat can not only be used, but also produce some incomplete oxidation of acidic substances, such as ketone bodies, reducing the exercise endurance. The decrease in blood sugar is an important cause of hunger. After a short period of intense exercise, blood sugar levels decrease, and people tend to increase appetite, which is detrimental to fat loss.
Second, short-term exercise
During aerobic exercise, the glycogen stored in the human body is first used to release energy. After 30 minutes of exercise, it begins to release energy from glycogen to fat to release energy. After about one hour of exercise, it is necessary for exercise. The main energy source is fat.
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Third, rapid explosive force movement
Human muscles consist of many muscle fibers, which can be divided into two major groups: white muscle fibers and red muscle fibers. During exercise, such as rapid explosive force training, the main white muscle fibers are exercised, and the cross-sectional area of ​​the white muscle fiber is relatively thick, so the muscle groups are easily developed and stout. Using this method to lose weight will become more and more "coarse".
In short, if you want to achieve the purpose of weight loss in the whole body, you should do low-medium intensity with 120-160 beats per minute per minute, and endurance aerobic systemic exercise for a long time (more than 1 hour). For example, aerobics, long-distance running, long-distance swimming for a long time.
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